As of January 18, 2002, MessageMedia Inc. was acquired by DoubleClick Inc. Previously, MessageMedia, Inc. provided permission-based, e-mail marketing, and messaging solutions. It offered a broad range of solution sets including complete outsourced services, hosted software and services, and licensed software, all powered by its next-generation M(3) Platform. The M(3) Platform featured a systems architecture, which can support e-mail campaigns of any size. Its outsourced services were offered in a full or partial service bureau model depending on its client's need for self-service. Its licensed software solution was called UnityMail. UnityMail integrated relational databases into advanced e-mail list servers, allowing the development of one-to-one relationships with customers.